12001543841 has 8 divisors (see below), whose sum is σ = 13733892480. Its totient is φ = 10273655808.

The previous prime is 12001543777. The next prime is 12001543847. The reversal of 12001543841 is 14834510021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12001543841 - 2⁶ = 12001543777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12001543847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1109381 + ... + 1120146.

It is an arithmetic number, because the mean of its divisors is an integer number (1716736560).

Almost surely, 2^12001543841 is an apocalyptic number.

It is an amenable number.

12001543841 is a deficient number, since it is larger than the sum of its proper divisors (1732348639).

12001543841 is an equidigital number, since it uses as much as digits as its factorization.

12001543841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230303.

The product of its (nonzero) digits is 3840, while the sum is 29.

The spelling of 12001543841 in words is "twelve billion, one million, five hundred forty-three thousand, eight hundred forty-one".